Home / 470,496,145.80-705,744,218.70-449,332,984.20

Finding the Fourth Proportional to 470,496,145.80, 705,744,218.70 and 449,332,984.20

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Solution

The fourth proportional to 470,496,145.80, 705,744,218.70 and 449,332,984.20 is: 673,999,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,496,145.80 : 705,744,218.70 = 449,332,984.20 : x
  2. Step 2: Convert to fraction form
    470,496,145.80/705,744,218.70 = 449,332,984.20/x
  3. Step 3: Cross multiply
    470,496,145.80x = 705,744,218.70 × 449,332,984.20
  4. Step 4: Simplify right side
    470,496,145.80x = 317,114,155,870,368,448
  5. Step 5: Solve for x
    x = 317,114,155,870,368,448/470,496,145.80
  6. Step 6: Final answer
    x = 673,999,476.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.